Implemented missing instructions in ia32 and x64 disassembler....

test/cctest/test-disasm-ia32.cc

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 318 matching lines @@
   __ j(greater, &Ljcc);
 
   // checking hints
   __ j(zero, &Ljcc, taken);
   __ j(zero, &Ljcc, not_taken);
 
   // __ mov(Operand::StaticVariable(Top::handler_address()), eax);
   // 0xD9 instructions
   __ nop();
 
+  __ fld(1);
   __ fld1();
   __ fldz();
+  __ fldpi();
   __ fabs();
   __ fchs();
   __ fprem();
   __ fprem1();
   __ fincstp();
   __ ftst();
   __ fxch(3);
   __ fld_s(Operand(ebx, ecx, times_4, 10000));
   __ fstp_s(Operand(ebx, ecx, times_4, 10000));
   __ ffree(3);
@@ skipping 91 matching lines @@
   CHECK(code->IsCode());
 #ifdef DEBUG
   Code::cast(code)->Print();
   byte* begin = Code::cast(code)->instruction_start();
   byte* end = begin + Code::cast(code)->instruction_size();
   disasm::Disassembler::Disassemble(stdout, begin, end);
 #endif
 }
 
 #undef __